1. IOR/L/E/7/1302, File 624 Reference (shelfmark): IOR/L/E/7/1302, File 624 Title: File 624 League of Nations - Opium Advisory Committee: Fifth Session and 1923 Assembly Collection Area: India Office Records and Private Papers Languages: English Date Range: 21 Jan 1923-7 Mar 1924 Extent: 1 file